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BROWN & WILLIAMSON TOBACCO

Overview
  • Total Patents
    2,406
About

BROWN & WILLIAMSON TOBACCO has a total of 2,406 patent applications. Its first patent ever was published in 1930. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets consumer goods, machines and packaging and shipping are FILTRONA FILTER PROD DEV CO, LORILLARD CO P and SHENZHEN DAKAVAPE TECH CO LTD.

Patent filings per year

Chart showing BROWN & WILLIAMSON TOBACCOs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Johnson Robert R 115
#2 Cantrell Daniel V 102
#3 Mcmurtrie Andrew 92
#4 Lewis Robert T 82
#5 Sexstone John H 80
#6 Johnson Robert Reiner 80
#7 Sanford Robert A 72
#8 Luke John Anthony 71
#9 Korte Kevin R 64
#10 Lamb Charles G 52

Latest patents

Publication Filing date Title
US2006025292A1 Producing triple section filters using a dual rod filter maker
US2005268925A1 Application of mesoporous molecular sieves as selective smoke filtration additives
US2005263161A1 Tobacco filler of low nitrogen content
US2005247323A1 Selective filtration of cigarette smoke using chitosan derivatives
US2005241657A1 Removal of nitrogen containing compounds from tobacco
US2004261805A1 Smoking article
US2004094171A1 Cigarette with burn rate modification
US6827573B2 Gas micro burner
US2004261806A1 Apparatus and method for processing winnowers at a cigarette maker
US2004045565A1 Process for reducing nitrogen containing compounds and lignin in tobacco
US2004031706A1 Resealable cigarette package
NZ531256A Cigarette filter with multiple filter sections
US2003070686A1 Cigarette filter
US2003098030A1 Cigarette filter
US2003075188A1 Non-combustible smoking device and fuel element
US6532965B1 Smoking article using steam as an aerosol-generating source
US6564967B1 Child resistant tablet dispenser
US6612429B2 Flip open package with microencapsulated flavor release
US6595216B1 Method of cutting sheets of reconstituted tobacco
US6536442B2 Lighter integral with a smoking article